PMSM chaotic system rapid terminal sliding mode control method based on nerve network

A permanent magnet synchronous motor and chaotic system technology, applied in the direction of motor generator control, electronic commutation motor control, control system, etc., can solve the problems of motor system power failure and motor control voltage not being considered

Inactive Publication Date: 2016-03-30
南京融浦益达动力科技有限公司
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Problems solved by technology

At present, the research on the chaos of PMSM control system is still in a preliminary stage, and in the research model of PMSM chaos control, the control voltage of the motor has not been considered, that is, only the sudden shutdown of the motor system after a period of stable operation is considered. electricity situation

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  • PMSM chaotic system rapid terminal sliding mode control method based on nerve network
  • PMSM chaotic system rapid terminal sliding mode control method based on nerve network
  • PMSM chaotic system rapid terminal sliding mode control method based on nerve network

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Embodiment Construction

[0071] The present invention will be further described below in conjunction with the accompanying drawings.

[0072] refer to Figure 1-Figure 9 , a fast terminal sliding mode control method for chaotic system of permanent magnet synchronous motor based on neural network, including the following steps:

[0073] Step 1, establish the chaotic system model of the permanent magnet synchronous motor, initialize the system state and control parameters;

[0074] 1.1, the mathematical model of the permanent magnet synchronous motor is expressed as follows:

[0075] u d u q = R s 0 0 ...

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Abstract

The invention discloses a PMSM chaotic system rapid terminal sliding mode control method based on a nerve network, comprising steps of establishing a PMSM chaotic system model, initializing a system state and a control parameter, designing a nerve network, approximating the non-linear uncertain item in the system, and designing a rapid terminal sliding mode controller on the basis of the nerve network. The PMSM chaotic system rapid terminal sliding mode control method based on the nerve network can effectively solve the calmness problem of the PMSM chaotic system, improves the rapid convergence performance of the system and realizes the accuracy control of the PMSM chaotic system.

Description

technical field [0001] The invention belongs to the technical field of permanent magnet synchronous motor control, and relates to a neural network-based fast terminal sliding mode control method for a permanent magnet synchronous motor chaotic system, especially for the fast terminal sliding mode of a permanent magnet synchronous motor chaotic system containing uncertain items Control Method. Background technique [0002] Permanent Magnet Synchronous Motor (PMSM) plays an important role in the development of modern industrial production. In recent years, studies by scholars at home and abroad have shown that in some cases, there is chaos in permanent magnet synchronous motors, which leads to intermittent oscillations of torque or speed, unstable control, and irregular electromagnetic noise in the system, which seriously affects The stable work of PMSM is guaranteed. Due to the existence of chaos, the stability of the PMSM control system will be severely damaged, and the tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/14H02P21/24
Inventor 陈强陶亮董方张桢丽
Owner 南京融浦益达动力科技有限公司
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